breaking in my new 08 yz450f

mcduffey707

Hi i just brought a brand new 08 yz450f a couple days ago. I live in michigan and its in the 20s and my dad and my brother told me they dont think its a good idea to break in the bike in the cold temp cause they think its not good for the engine. Can you guys tell me if its true and should wait till spring or would it be allright.